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topcat · 06-28-2011, 06:24 PM

As far as I can tell, the plugs are central to the cylinder. I had heard that they should face the intake to allow longer burn time??? The returns may be minimal, but I am happy to spend an extra 10 mins to get a free 0.1 mpg!

06-28-2011, 06:24 PM	#6 (permalink)
topcat EcoModding Lurker Join Date: Jun 2011 Location: England Posts: 37 Celica VVTI - '05 Toyota Celica GT VVTI Team Toyota 90 day: 41.89 mpg (US) Thanks: 4 Thanked 7 Times in 5 Posts	As far as I can tell, the plugs are central to the cylinder. I had heard that they should face the intake to allow longer burn time??? The returns may be minimal, but I am happy to spend an extra 10 mins to get a free 0.1 mpg!